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Skeletal Radiol. 2010 Nov;39(11):1145-9. doi: 10.1007/s00256-010-1014-1. Epub 2010 Aug 8.

Osteoid osteoma of the femur in a 7-month-old infant treated with radiofrequency ablation.

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  • 1Department of Radiology, University of California San Francisco, San Francisco, CA, USA.

Abstract

Osteoid osteoma occurs most commonly in children, adolescents, and young adults between the ages of 5 and 30 years. In the preschool age group, it is quite uncommon, accounting for only 3-8% of all osteoid osteoma cases. We report a case of osteoid osteoma in a 7-month-old infant, who presented with decreased use of the right lower extremity due to pain. Magnetic resonance imaging (MRI) showed an atypical appearance. A biopsy of the lesion, with histopathological examination, confirmed the diagnosis of osteoid osteoma. Radiofrequency ablation (RFA) of the nidus under computed tomography (CT) guidance was performed. The patient developed a recurrence after 3 months, which was treated with a second RFA. On subsequent follow-up, the infant did not show signs of pain after 1 month. In summary, this case report shows that osteoid osteoma can present in early infancy and can be successfully treated with RFA at this age, however, recurrence after the procedure can occur and close follow-up is recommended.

PMID:
20694724
[PubMed - indexed for MEDLINE]
PMCID:
PMC2939336
Free PMC Article
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